---
title: "Overview"
icon: "terminal"
iconType: "solid"
description: "REST APIs for memory management, search, and entity operations"
---

## Mem0 REST API

Mem0 provides a comprehensive REST API for integrating advanced memory capabilities into your applications. Create, search, update, and manage memories across users, agents, and custom entities with simple HTTP requests.

<Info>
**Quick start:** Get your API key from the [Mem0 Dashboard](https://app.mem0.ai/dashboard/api-keys) and make your first memory operation in minutes.
</Info>

---

## Quick Start Guide

Get started with Mem0 API in three simple steps:

1. **[Add Memories](/api-reference/memory/add-memories)** - Store information and context from user conversations
2. **[Search Memories](/api-reference/memory/v2-search-memories)** - Retrieve relevant memories using semantic search
3. **[Get Memories](/api-reference/memory/v2-get-memories)** - Fetch all memories for a specific entity

---

## Core Operations

<CardGroup cols={2}>
  <Card title="Add Memories" icon="plus" href="/api-reference/memory/add-memories">
    Store new memories from conversations and interactions
  </Card>

  <Card title="Search Memories" icon="magnifying-glass" href="/api-reference/memory/v2-search-memories">
    Find relevant memories using semantic search with filters
  </Card>

  <Card title="Update Memory" icon="pen" href="/api-reference/memory/update-memory">
    Modify existing memory content and metadata
  </Card>

  <Card title="Delete Memory" icon="trash" href="/api-reference/memory/delete-memory">
    Remove specific memories or batch delete operations
  </Card>
</CardGroup>

---

## API Categories

Explore the full API organized by functionality:

<CardGroup cols={2}>
  <Card title="Memory APIs" icon="microchip" href="/api-reference/memory/add-memories">
    Core and advanced operations: CRUD, search, batch updates, history, and exports
  </Card>

  <Card title="Entities APIs" icon="users" href="/api-reference/entities/get-users">
    Manage users, agents, and their associated memory data
  </Card>

  <Card title="Organizations & Projects" icon="building" href="/api-reference/organizations-projects">
    Multi-tenant support, access control, and team collaboration
  </Card>

  <Card title="Webhooks" icon="webhook" href="/api-reference/webhook/create-webhook">
    Real-time notifications for memory events and updates
  </Card>
</CardGroup>

<Note>
**Building multi-tenant apps?** Learn about [Organizations & Projects](/api-reference/organizations-projects) for team isolation and access control.
</Note>

---

## Authentication

All API requests require authentication using Token-based authentication. Include your API key in the Authorization header:

```bash
Authorization: Token <your-api-key>
```

Get your API key from the [Mem0 Dashboard](https://app.mem0.ai/dashboard/api-keys).

<Warning>
**Keep your API key secure.** Never expose it in client-side code or public repositories. Use environment variables and server-side requests only.
</Warning>

---

## Next Steps

<CardGroup cols={2}>
  <Card title="Add Your First Memory" icon="rocket" href="/api-reference/memory/add-memories">
    Start storing memories via the REST API
  </Card>

  <Card title="Search with Filters" icon="filter" href="/api-reference/memory/v2-search-memories">
    Learn advanced search and filtering techniques
  </Card>
</CardGroup>
